diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3d3c020b..b74b7b99 100755
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -34,6 +34,7 @@ jobs:
         shell: bash
         run: |
             set -ex
-            stack upgrade
-            stack --version
-            stack test --no-terminal ${{ matrix.args }} --haddock --no-haddock-deps --bench --no-run-benchmarks
+            mkdir -p ../_newstack
+            stack upgrade --force-download --local-bin-path ../_newstack
+            ../_newstack/stack --version
+            ../_newstack/stack test --fast --no-terminal --resolver=${{ matrix.resolver }}
diff --git a/mono-traversable/ChangeLog.md b/mono-traversable/ChangeLog.md
index 3cdc3a61..e2f8149c 100644
--- a/mono-traversable/ChangeLog.md
+++ b/mono-traversable/ChangeLog.md
@@ -1,5 +1,9 @@
 # ChangeLog for mono-traversable
 
+## 1.0.15.2
+
+* Support transformers 0.6.0.0 [#196](https://github.com/snoyberg/mono-traversable/issues/196)
+
 ## 1.0.15.1
 
 * Remove whitespace after `@` in as-patterns for GHC HEAD [#186](https://github.com/snoyberg/mono-traversable/pull/186)
diff --git a/mono-traversable/package.yaml b/mono-traversable/package.yaml
index 51108252..e8e26a98 100644
--- a/mono-traversable/package.yaml
+++ b/mono-traversable/package.yaml
@@ -1,5 +1,5 @@
 name:        mono-traversable
-version:     1.0.15.1
+version:     1.0.15.2
 synopsis:    Type classes for mapping, folding, and traversing monomorphic containers
 description: Please see the README at <https://www.stackage.org/package/mono-traversable>
 category:    Data
diff --git a/mono-traversable/src/Data/MonoTraversable.hs b/mono-traversable/src/Data/MonoTraversable.hs
index 3c9f8832..2387a21e 100644
--- a/mono-traversable/src/Data/MonoTraversable.hs
+++ b/mono-traversable/src/Data/MonoTraversable.hs
@@ -72,7 +72,9 @@ import qualified Data.Map.Strict as Map
 import Data.HashMap.Strict (HashMap)
 import Data.Vector (Vector)
 import Control.Monad.Trans.Maybe (MaybeT (..))
+#if !MIN_VERSION_transformers(0,6,0)
 import Control.Monad.Trans.List (ListT)
+#endif
 import Control.Monad.Trans.Writer (WriterT)
 import qualified Control.Monad.Trans.Writer.Strict as Strict (WriterT)
 import Control.Monad.Trans.State (StateT(..))
@@ -128,7 +130,9 @@ type instance Element (HashSet e) = e
 type instance Element (Vector a) = a
 type instance Element (WrappedArrow a b c) = c
 type instance Element (MaybeT m a) = a
+#if !MIN_VERSION_transformers(0,6,0)
 type instance Element (ListT m a) = a
+#endif
 type instance Element (IdentityT m a) = a
 type instance Element (WriterT w m a) = a
 type instance Element (Strict.WriterT w m a) = a
@@ -198,7 +202,9 @@ instance MonoFunctor (Vector a)
 instance MonoFunctor (Arg a b)
 instance Arrow a => MonoFunctor (WrappedArrow a b c)
 instance Functor m => MonoFunctor (MaybeT m a)
+#if !MIN_VERSION_transformers(0,6,0)
 instance Functor m => MonoFunctor (ListT m a)
+#endif
 instance Functor m => MonoFunctor (IdentityT m a)
 instance Functor m => MonoFunctor (WriterT w m a)
 instance Functor m => MonoFunctor (Strict.WriterT w m a)
@@ -801,7 +807,9 @@ instance MonoFoldable (Either a b) where
 instance MonoFoldable (a, b)
 instance MonoFoldable (Const m a)
 instance F.Foldable f => MonoFoldable (MaybeT f a)
+#if !MIN_VERSION_transformers(0,6,0)
 instance F.Foldable f => MonoFoldable (ListT f a)
+#endif
 instance F.Foldable f => MonoFoldable (IdentityT f a)
 instance F.Foldable f => MonoFoldable (WriterT w f a)
 instance F.Foldable f => MonoFoldable (Strict.WriterT w f a)
@@ -1099,7 +1107,9 @@ instance MonoTraversable (Either a b) where
 instance MonoTraversable (a, b)
 instance MonoTraversable (Const m a)
 instance Traversable f => MonoTraversable (MaybeT f a)
+#if !MIN_VERSION_transformers(0,6,0)
 instance Traversable f => MonoTraversable (ListT f a)
+#endif
 instance Traversable f => MonoTraversable (IdentityT f a)
 instance Traversable f => MonoTraversable (WriterT w f a)
 instance Traversable f => MonoTraversable (Strict.WriterT w f a)
@@ -1209,7 +1219,9 @@ instance MonoPointed (r -> a)
 instance Monoid a => MonoPointed (a, b)
 instance Monoid m => MonoPointed (Const m a)
 instance Monad m => MonoPointed (WrappedMonad m a)
+#if !MIN_VERSION_transformers(0,6,0)
 instance Applicative m => MonoPointed (ListT m a)
+#endif
 instance Applicative m => MonoPointed (IdentityT m a)
 instance Arrow a => MonoPointed (WrappedArrow a b c)
 instance (Monoid w, Applicative m) => MonoPointed (WriterT w m a)
diff --git a/stack.yaml b/stack.yaml
index eb514686..0986e8fb 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: lts-18.0
+resolver: lts-18.5
 packages:
 - minlen
 - mono-traversable